x^6 + 16x^3 + 28

Question

Factor the polynomial, if the polynomial cannot be factored then write, PRIME

Answer 1

if yu set y=x^3, yu get y^2 +16y +28=0

yuze quadratik equashun tu get

(y+2)(y+14)=0

or y=-2 or y=-14

then x=kube root av -2 or -14